RC

Robert F. Callanan

📍 Long Beach, CA: #2 of 55 inventorsTop 4%
🗺 California: #320 of 6,198 inventorsTop 6%
Overall (1982): #8,608 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4354529 Pipe thread protector Michael D. Soutsos 1982-10-19
4318426 Pipe thread protector Michael D. Soutsos 1982-03-09